Table 1.

The Shapiro decision rule as presented in the original article. A score of ≥ 2 is an indication to obtain a blood culture. If the score is lower, a blood culture is not indicated by the rule. With courtesy to Shapiro et al. [25]

Major criteria	Minor criteria (1 point each)
Suspected endocarditis (3 points) Temperature > 39.3 °C (3 points) Indwelling vascular catheter (2 points)	Temperature 38.3-39.3 °C Age > 65 years Chills Vomiting Hypotension (SBP < 90 mmHg) White blood cell count > 18.000 cells/μL Bands > 5% Platelets < 150.000 cells/μL Creatinine > 176 μmol/L